Andrei Saizu

Andrei Saizu

Jan
23
Java Interview Questions (series)  - Java Updates

Java Interview Questions (series) - Java Updates

Intro In a usual Java interview, there will be a moment where the interviewer will think: Does this guy/girl
2 min read
Jan
09
Spring Security & Keycloak - CORS Configuration

Spring Security & Keycloak - CORS Configuration

Intro If you've ever configured a frontend-backend application, you definitely ran into this issue: ✅   GET requests work as
3 min read
Dec
12
OpenAPI & Postman - MockServer

OpenAPI & Postman - MockServer

Integration testing is a must❗️ Intro When you're working on a frontend - backend project where the frontend
3 min read
Dec
06
Spring Boot ft. Keycloak - Resource - Authorization Server

Spring Boot ft. Keycloak - Resource - Authorization Server

Can you find a better couple? Recently I was being put in the position of needing to set up the
4 min read
Nov
06
Object Oriented Design (series) - Polymorphism

Object Oriented Design (series) - Polymorphism

Enter the Multi-Verse! 🕷 Intro Polymorphism describe the ability for an object to have multiple implementations for the same behaviour. 🤝  This
2 min read
Nov
02
Object Oriented Design (series) - Inheritance

Object Oriented Design (series) - Inheritance

This concept is all about having a base component and adding features over it. Intro 🧩  It best describes the idea
3 min read
Oct
24
Object Oriented Design (series) - Encapsulation

Object Oriented Design (series) - Encapsulation

You can look but you can't touch! 🥵 Intro This one is about exposing to the client only the
2 min read
Oct
21
Object Oriented Design (series) - Abstraction

Object Oriented Design (series) - Abstraction

Hide and seek! Intro 🤷‍♂️ When you make your favourite espresso, you don't really care about the sounds that
1 min read
Oct
11
Java Interview Questions (series) - Streams

Java Interview Questions (series) - Streams

Still using for loops? Maybe it's time for something new! Brief Having spoken about Functional Interfaces and Lambda
4 min read
Oct
02
Java Interview Questions (series) - Common Functional Interfaces

Java Interview Questions (series) - Common Functional Interfaces

80% of the time you use 20% of the @FunctionalInterfaces 👋 Brief 🤔  In a previous post, we spoke about the @FunctionalInterface
3 min read